40-3.25n = 1.00 This equation has the following context.

$40 to spend on gas. Gas is $3.25 per gallon.

What does this equation mean contextually.

I know that n would be 12 but I’m supposed to solve this algebraically and I can’t figure out how to.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

What statement is true? 2x^2-9x+2=-1